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Atlas Atomics

AA
OtherWebsite
#425 by valuation

Atlas Atomics is a stealth-mode nuclear startup cofounded and backed by Ohio gubernatorial candidate Vivek Ramaswamy. The company recently raised about $400 million in a Series A at a reported $1.9 billion valuation. General Catalyst led that funding round with participation from Andreessen Horowitz. Atlas and the participating investors declined to comment to reporters. The article provides no operating metrics, product details, or prior funding history beyond this raise.

Blended valuation$1.9B
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
Not enough valuation history in this range.
All rounds
1 funding rounds, newest first.
RoundAnnouncedRaisedPost-money
Series AOct 8, 2026$400M$1.9B
Investors
2 investors across all rounds.
  • GC
    General Catalyst
  • AH
    Andreessen Horowitz

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Data as of Oct 14, 2026. Valuations are estimates blended from primary and secondary-market signals โ€” not investment advice.